1.bend at the waist 弯腰
When we finish a performance we bend at the waist and take a bow.
当演出结束时，我们弯腰鞠躬。

2.up to that point 在那一刻之前
Up to that point in my life, I had given no thought to anyone I saw on the street, in stores or anywhere else.
在那一刻之前，我平生从未留意过任何一个我在街上、在商店里或在其它地方看见的人。

3.set the stage for 做好准备；创造条件
That set the stage for the Florida legislature.
这就为佛罗里达州议会创造了条件。